4578369 has 4 divisors (see below), whose sum is σ = 6104496. Its totient is φ = 3052244.

The previous prime is 4578361. The next prime is 4578377. The reversal of 4578369 is 9638754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4578361) and next prime (4578377).

It is a cyclic number.

It is not a de Polignac number, because 4578369 - 2³ = 4578361 is a prime.

It is a super-2 number, since 2×4578369² = 41922925400322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4578369.

It is not an unprimeable number, because it can be changed into a prime (4578361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763059 + ... + 763064.

It is an arithmetic number, because the mean of its divisors is an integer number (1526124).

Almost surely, 2^4578369 is an apocalyptic number.

It is an amenable number.

4578369 is a deficient number, since it is larger than the sum of its proper divisors (1526127).

4578369 is a wasteful number, since it uses less digits than its factorization.

4578369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526126.

The product of its digits is 181440, while the sum is 42.

The square root of 4578369 is about 2139.7123638471. The cubic root of 4578369 is about 166.0492547505.

The spelling of 4578369 in words is "four million, five hundred seventy-eight thousand, three hundred sixty-nine".